National Emission Standards for Hazardous Air Pollutants for Source Categories: Organic Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry and Other Processes Subject to the Negotiated Regulation for Equipment Leaks

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This action proposes to amend the National Emission Standards for Hazardous Air Pollutants for Source Categories: Organic Hazardous Air Pollutants from the Synthetic Organic Chemical Manufacturing Industry and Other Processes Subject to the Negotiated Regulation for Equipment Leaks. The standards are commonly known as the Hazardous Organic NESHAP or the HON. This action proposes to amend the HON to allow vapor balancing in conjunction with the use of a pressure setting to comply with the storage tank control requirements of the standards. In the Rules and Regulations section of this Federal Register, we are taking direct final action on the proposed amendments because we view the amendments as noncontroversial, and we anticipate no adverse comments. We have explained our reasons for the proposed amendments in the preamble to the direct final rule. If we receive no adverse comments, we will take no further action on the proposed rule. If we receive any timely adverse comments, we will publish a notice withdrawing the direct final rule. All such comments will be addressed in a subsequent final rule based on the proposed rule. We will not institute a second comment period on that subs